import type { Metadata } from "next";
import { cookies } from "next/headers";
import { authCookieHeader } from "@/lib/cookies";
import {
  fetchAdminUserAudit,
  fetchAdminUserAuditPosts,
  type AdminAuditPostItem,
} from "@/lib/api";
import { getMeCached } from "@/lib/serverData";
import { isOwner, isSuperOrOwner } from "@/lib/roles";
import Forbidden from "../../Forbidden";
import UserAuditClient from "./UserAuditClient";

export const metadata: Metadata = {
  title: "用户内容档案",
};

interface PageProps {
  params: Promise<{ id: string }>;
}

export default async function AdminUserAuditPage({ params }: PageProps) {
  const { id: idRaw } = await params;
  const userId = parseInt(idRaw, 10);
  if (!Number.isFinite(userId) || userId <= 0) {
    return <Forbidden text="无效的用户 ID。" />;
  }

  const cookie = authCookieHeader(await cookies());
  const me = await getMeCached(cookie || undefined);

  if (!me.user || !isSuperOrOwner(me.user.role)) {
    return <Forbidden text="用户与角色权限仅超级管理员和站长可操作。" />;
  }
  if (!isOwner(me.user.role)) {
    return <Forbidden text="用户内容档案仅站长可查看。" />;
  }

  const cookieOrUndef = cookie || undefined;
  const [profileSettled, postsSettled] = await Promise.all([
    fetchAdminUserAudit(userId, cookieOrUndef)
      .then((profile) => ({ ok: true as const, profile }))
      .catch((e) => ({
        ok: false as const,
        error: e instanceof Error ? e.message : "获取用户档案失败",
      })),
    fetchAdminUserAuditPosts(userId, 1, cookieOrUndef)
      .then((res) => ({ ok: true as const, res }))
      .catch((e) => ({
        ok: false as const,
        error: e instanceof Error ? e.message : "获取帖子失败",
      })),
  ]);

  if (!profileSettled.ok) {
    return <Forbidden text={profileSettled.error} />;
  }

  const initialPosts: AdminAuditPostItem[] = postsSettled.ok ? postsSettled.res.items || [] : [];
  const initialPostsTotal = postsSettled.ok ? postsSettled.res.total : 0;
  const initError = postsSettled.ok ? "" : postsSettled.error;
  const profile = profileSettled.profile;

  return (
    <UserAuditClient
      userId={userId}
      initial={profile}
      initialPosts={initialPosts}
      initialPostsTotal={initialPostsTotal}
      initError={initError}
    />
  );
}